14. We didn’t stop 　　　　　until we reach the end.

　 A. to have a rest　　　 B. having a rest　　　 C. for having a rest　　 D. had a rest

13. I’ll try 　　　　　the same mistakes.

　 A. to not make　　　　 B. not to make　　　　 C. not making　　　　 D. not make　 　

12. I forgot 　　　　　the light before I left the classroom.

　 A. to turn off　　　　 B. to turn on　　　　　 C. turn off　　　　　 D. turn on

11. The students were beginning 　　　　　the book.

　 A. to write　　　　　 B. write　　　　　　 C. reading　　　　　 D. to read

10. We start 　　　　　a class at 8:00 every day except weekends.

　 A. have　　　　　　 B. to have　　　　　　 C. has　　　　　　　 D. had

9. She 　　　　　her backpack on her bike just now.

　 A. leave　　　　　　　 B. left　　　　　　　 C. forgot　　　　　　 D. forgets

8. --- What 　　　　　last night? 　--- A car hit a tree.

　 A. was happening　　 B. had happened　　　 C. happened　　 D. what was happening

7. Seeing John rush into the room with tears in his eyes, I asked him what 　　　　　.

　 A. would happen　　　 B. had happened　　　　 C. happened　　　　　 D. was happened

6. --- Haven’t you read the book ?　 --- Yes, I’ve 　　　　　read it.

　 A. ever　　　　　　　 B. never　　　　　　　 C. already　　　　　　 D. just now

5. before, ago:

　 1) Li Lei was here ten minutes 　　　　　　　　.

　 2) I have never seen such a beautiful girl 　　　　　　　　.

　 3) Li Ping didn’t find his book the day 　　　　　　　　yesterday.